Key guide



FIG. 1 is a top and front perspective view of a key guide showing my new design;

FIG. 2 is a reduced top and left side perspective view thereof;

FIG. 3 is a reduced top and left side perspective view thereof, the broken-line disclosure of a key being for illustrative purposes only and forming no part of the claimed design;

FIG. 4 is a reduced top plan view thereof;

FIG. 5 is a reduced bottom plan view thereof;

FIG. 6 is a reduced front elevational view thereof, the rear being identical in appearance to that shown;

FIG. 7 is a reduced vertical cross-sectional view thereof, taken along line 7--7 of FIG. 4; and,

FIG. 8 is a reduced vertical cross-sectional view thereof, taken along line 8--8 of FIG. 4. 

The ornamental design for a key guide, as shown and described. 